// time. additionally make sure to close all the disks used in this attempt.
func connectLoadInitFormats(verboseLogging bool, firstDisk bool, storageDisks []StorageAPI, endpoints Endpoints, poolCount, setCount, setDriveCount int, deploymentID string) (format *formatErasureV3, err error) {
	// Attempt to load all `format.json` from all disks.
	formatConfigs, sErrs := loadFormatErasureAll(storageDisks, false)

	if err := checkDiskFatalErrs(sErrs); err != nil {

		// skip self
		if globalDeploymentID() == info.DeploymentID {
			continue
		}
		info := info
		wg.Add(connectionsPerPeer)
		for range connectionsPerPeer {
			go func() {
				defer wg.Done()
				ctx, cancel := context.WithTimeout(ctx, duration+10*time.Second)
				defer cancel()
				perfNetRequest(
					ctx,
					info.DeploymentID,

		field, err = dc.ReadMapKeyPtr()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		switch msgp.UnsafeString(field) {
		case "DeploymentID":
			z.DeploymentID, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "DeploymentID")
				return
			}
		case "Endpoint":
			z.Endpoint, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Endpoint")
				return

  - Pool number the object operation was performed on.
  - Set number the object operation was performed on.
  - The list of drives participating in this operation belong to the set.

```json
{
  "version": "1",
  "deploymentid": "90e81272-45d9-4fe8-9c45-c9a7322bf4b5",
  "time": "2024-05-09T07:38:10.449688982Z",
  "event": "",
  "trigger": "incoming",
  "api": {
    "name": "PutObject",
    "bucket": "testbucket",
    "object": "hosts",

		for j := range setDriveCount {
			disk := storageDisks[i*setDriveCount+j]
			newFormat := format.Clone()
			newFormat.Erasure.This = format.Erasure.Sets[i][j]
			if deploymentID != "" {
				newFormat.ID = deploymentID
			}
			hostCount[disk.Hostname()]++
			formats[i*setDriveCount+j] = newFormat
		}
		var once sync.Once
		for host, count := range hostCount {
			if count > wantAtMost {

	// Total number of sets and the number of disks per set.
	setCount, setDriveCount int
	defaultParityCount      int

	poolIndex int

	// Distribution algorithm of choice.
	distributionAlgo string
	deploymentID     [16]byte

	lastConnectDisksOpTime time.Time
}

var staleUploadsCleanupIntervalChangedCh = make(chan struct{})

func (s *erasureSets) getDiskMap() map[Endpoint]StorageAPI {

				start := time.Now()

				for result := range sys.hcClient.Alive(cctx, madmin.AliveOpts{}, eps...) {
					var lastOnline time.Time
					var offline time.Duration
					//	var deploymentID string
					sys.hMutex.RLock()
					prev, ok := sys.hc[result.Endpoint.Host]
					sys.hMutex.RUnlock()
					if ok {
						if prev.Online != result.Online || !result.Online {
							if !prev.lastHCAt.IsZero() {

	reqID := w.Header().Get(xhttp.AmzRequestID)

	vars := mux.Vars(r)
	bucket := vars["bucket"]
	object := likelyUnescapeGeneric(vars["object"], url.PathUnescape)
	reqInfo := &logger.ReqInfo{
		DeploymentID: globalDeploymentID(),
		RequestID:    reqID,
		RemoteHost:   handlers.GetSourceIP(r),
		Host:         getHostName(r),
		UserAgent:    r.UserAgent(),
		API:          api,
		BucketName:   bucket,

	reqInfo := logger.GetReqInfo(ctx)
	var newReqInfo *logger.ReqInfo
	if reqInfo != nil {
		newReqInfo = logger.NewReqInfo(reqInfo.RemoteHost, reqInfo.UserAgent, reqInfo.DeploymentID, reqInfo.RequestID, reqInfo.API, bucket, object)
	} else {
		newReqInfo = logger.NewReqInfo("", "", globalDeploymentID(), "", "Heal", bucket, object)
	}
	healCtx := logger.SetReqInfo(GlobalContext, newReqInfo)